clang fails to compile emacs in Microsoft Windows

[Biswapriyo Nath]

* compiler:
clang version 16.0.2
Target: x86_64-w64-windows-gnu
Thread model: posix

* compiler error:

../../src/sysdep.c:472:13: error: call to undeclared function
'waitpid'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
../../src/sysdep.c:518:43: error: use of undeclared identifier 'WNOHANG'

* Probable reason:

AC_HEADER_SYS_WAIT fails to check sys/wait.h file. It tests with
wait() function which is undefined in nt/inc/sys/wait.h file. Here is
the error message from config.log

configure:11452: checking for sys/wait.h that is POSIX.1 compatible
configure:11479: x86_64-w64-mingw32-cc -I ../nt/inc -c -g3 -O2
-gdwarf-2 -mtune=generic  -D__USE_MINGW_ANSI_STDIO=1 conftest.c >&5
conftest.c:70:3: error: call to undeclared function 'wait'; ISO C99
and later do not support implicit function declarations
[-Wimplicit-function-declaration]

I can provide further information if required. Thank you.